<script lang="ts" setup name="XtxNumbox">
  const { modelValue, min=1, max=10, isShow=false } = defineProps<{
  modelValue: number,
  min?: number,
  max?: number,
  isShow?: boolean
}>()
const emit = defineEmits<{
  (event: 'update:modelValue', value: number): void
}>()
const sub = () => {
  let newVal = modelValue - 1
  if (newVal >= min) {
    emit('update:modelValue', newVal)
  }
}
const add = () => {
  let newVal = modelValue + 1
  if (newVal <= max) {
    emit('update:modelValue', newVal)
  }
}
</script>

<template>
  <div class="xtx-numbox">
    <div class="label" v-if="isShow">数量</div>
    <div class="numbox">
      <a href="javascript:;" @click="sub">-</a>
      <input type="text" readonly :value="modelValue" />
      <a href="javascript:;" @click="add">+</a>
    </div>
  </div>
</template>

<style scoped lang="less">
.xtx-numbox {
  display: flex;
  align-items: center;
  .label {
    width: 60px;
    color: #999;
    padding-left: 10px;
  }
  .numbox {
    width: 120px;
    height: 30px;
    border: 1px solid #e4e4e4;
    display: flex;
    > a {
      width: 29px;
      line-height: 28px;
      text-align: center;
      background: #f8f8f8;
      font-size: 16px;
      color: #666;
      &:first-of-type {
        border-right: 1px solid #e4e4e4;
      }
      &:last-of-type {
        border-left: 1px solid #e4e4e4;
      }
    }
    > input {
      width: 60px;
      padding: 0 5px;
      text-align: center;
      color: #666;
    }
  }
}
</style>